Home / 2,180,230.83-3,008,678.18-1,213,352.60

Finding the Fourth Proportional to 2,180,230.83, 3,008,678.18 and 1,213,352.60

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Solution

The fourth proportional to 2,180,230.83, 3,008,678.18 and 1,213,352.60 is: 1,674,404.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,230.83 : 3,008,678.18 = 1,213,352.60 : x
  2. Step 2: Convert to fraction form
    2,180,230.83/3,008,678.18 = 1,213,352.60/x
  3. Step 3: Cross multiply
    2,180,230.83x = 3,008,678.18 × 1,213,352.60
  4. Step 4: Simplify right side
    2,180,230.83x = 3,650,587,471,156.11
  5. Step 5: Solve for x
    x = 3,650,587,471,156.11/2,180,230.83
  6. Step 6: Final answer
    x = 1,674,404.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.